void SetButtonDefaultness(HWND hWnd, int newDefCtrlId, int oldDefCtrlId) { SendDlgItemMessage(hWnd, oldDefCtrlId, BM_SETSTYLE, BS_PUSHBUTTON, (LONG)TRUE); SendMessage(hWnd, DM_SETDEFID, newDefCtrlId, 0L); SendDlgItemMessage(hWnd, newDefCtrlId, BM_SETSTYLE, BS_DEFPUSHBUTTON, (LONG)TRUE); }
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